package org.example.wx_springboot.service;

import org.example.wx_springboot.entity.Shoppingcart;

import java.util.List;

public interface IShoppingcartService {
    List<Shoppingcart> list();

    void save(Shoppingcart shoppingcart);

    void deleteById(Integer id);

    void update(Shoppingcart obj);
}
